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Tamper resistant construction for hydrant actuating nut

  • US 5,727,590 A
  • Filed: 03/20/1997
  • Issued: 03/17/1998
  • Est. Priority Date: 06/07/1996
  • Status: Expired due to Term
First Claim
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1. In a fire hydrant having a hydrant body and a hydrant cover mounted on said hydrant body and a hydrant shaft having an upper portion with a valve-actuating polygonal nut positioned at said upper portion of said hydrant shaft and extending outwardly from said hydrant cover, a construction for rendering said nut tamper resistant against unauthorized actuation comprising a packing nut mounted in said hydrant cover proximate to said upper portion of said hydrant shaft, a hydrant nut actuating body, a recess in said hydrant nut actuating body for receiving said polygonal nut in turning relationship, a shroud positioned in encircling relationship to said packing nut and having a lower portion positioned proximate said hydrant cover, a first rotatable connection between said shroud and said packing nut for permitting free rotation of said shroud on said packing nut, a cap mounted on said hydrant nut actuating body proximate said shroud, and a second rotatable connection between said cap and said hydrant nut actuating body.

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